EP3767317A4 - METHOD AND APPARATUS FOR CALCULATING THE STATE OF HEALTH OF A POWER SUPPLY BATTERY PACK, AND ELECTRIC VEHICLE - Google Patents

METHOD AND APPARATUS FOR CALCULATING THE STATE OF HEALTH OF A POWER SUPPLY BATTERY PACK, AND ELECTRIC VEHICLE Download PDF

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Publication number
EP3767317A4
EP3767317A4 EP19774341.2A EP19774341A EP3767317A4 EP 3767317 A4 EP3767317 A4 EP 3767317A4 EP 19774341 A EP19774341 A EP 19774341A EP 3767317 A4 EP3767317 A4 EP 3767317A4
Authority
EP
European Patent Office
Prior art keywords
electric vehicle
battery power
power pack
calculating soh
soh
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP19774341.2A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3767317A1 (en
Inventor
Linwang Deng
Tianyu Feng
Chun LV
Siqi LIN
Zihua YANG
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
BYD Co Ltd
Original Assignee
BYD Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BYD Co Ltd filed Critical BYD Co Ltd
Publication of EP3767317A1 publication Critical patent/EP3767317A1/en
Publication of EP3767317A4 publication Critical patent/EP3767317A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/392—Determining battery ageing or deterioration, e.g. state of health
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/3644—Constructional arrangements
    • G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/16—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/545—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/547—Voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/549—Current
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2260/00—Operating Modes
    • B60L2260/40—Control modes
    • B60L2260/50—Control modes by future state prediction
    • B60L2260/54—Energy consumption estimation
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/005—Detection of state of health [SOH]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Secondary Cells (AREA)
EP19774341.2A 2018-03-30 2019-03-25 METHOD AND APPARATUS FOR CALCULATING THE STATE OF HEALTH OF A POWER SUPPLY BATTERY PACK, AND ELECTRIC VEHICLE Withdrawn EP3767317A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810279422.5A CN110549909B (zh) 2018-03-30 2018-03-30 动力电池组的soh计算方法、装置和电动汽车
PCT/CN2019/079448 WO2019184843A1 (zh) 2018-03-30 2019-03-25 动力电池组的soh计算方法、装置和电动汽车

Publications (2)

Publication Number Publication Date
EP3767317A1 EP3767317A1 (en) 2021-01-20
EP3767317A4 true EP3767317A4 (en) 2021-04-21

Family

ID=68059508

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19774341.2A Withdrawn EP3767317A4 (en) 2018-03-30 2019-03-25 METHOD AND APPARATUS FOR CALCULATING THE STATE OF HEALTH OF A POWER SUPPLY BATTERY PACK, AND ELECTRIC VEHICLE

Country Status (4)

Country Link
US (1) US11346887B2 (zh)
EP (1) EP3767317A4 (zh)
CN (1) CN110549909B (zh)
WO (1) WO2019184843A1 (zh)

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CN110861533B (zh) * 2019-11-25 2021-08-27 安徽江淮汽车集团股份有限公司 电动汽车soh估算方法、装置和存储介质
CN111289909B (zh) * 2020-03-10 2022-06-24 惠州市德赛西威智能交通技术研究院有限公司 一种锂电池电量测量方法及系统
CN113777511A (zh) * 2020-06-09 2021-12-10 北京京东乾石科技有限公司 自动导引车电池的诊断方法、装置、存储介质及电子设备
CN113866649A (zh) * 2020-06-30 2021-12-31 比亚迪股份有限公司 电池状态的计算方法和计算装置以及存储介质
CN112557933B (zh) * 2020-12-04 2023-06-30 湖北亿纬动力有限公司 一种计算电池健康状态的方法和装置
CN112557928B (zh) * 2020-12-04 2023-08-01 湖北亿纬动力有限公司 一种计算电池荷电状态的方法、装置和动力电池
CN113884900B (zh) * 2021-09-13 2022-08-23 北京交通大学 一种三元锂离子电池容量突变点预测方法
CN113848496B (zh) * 2021-11-08 2024-08-02 东软睿驰汽车技术（沈阳）有限公司 动力电池的性能确定方法、装置和电子设备
CN116184222A (zh) * 2021-11-26 2023-05-30 比亚迪股份有限公司 电池容量的估计方法、装置和计算机存储介质
CN114152892B (zh) * 2021-12-01 2023-09-22 国网山西省电力公司电力科学研究院 用于故障指示器电池健康度的监测方法
CN116930779A (zh) * 2022-03-29 2023-10-24 比亚迪股份有限公司 电池容量确定方法和装置、存储介质、以及电池
CN117388734A (zh) 2022-07-05 2024-01-12 通用汽车环球科技运作有限责任公司 用于车辆电源的基于健康状态的操作
CN118275887A (zh) * 2022-12-29 2024-07-02 比亚迪股份有限公司 计算电池健康状态值的方法、存储介质、服务器和车辆

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Also Published As

Publication number Publication date
CN110549909A (zh) 2019-12-10
US11346887B2 (en) 2022-05-31
US20210018568A1 (en) 2021-01-21
EP3767317A1 (en) 2021-01-20
CN110549909B (zh) 2021-06-18
WO2019184843A1 (zh) 2019-10-03

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